Made by Kitty Neko on animemusicvideos.org (or KittyNeko9 here on YouTube). A beautiful AMV about Nuriko and Miaka's relationship.
ANIME: Fushigi Yuugi
MUSIC: "One Sweet Day" by Mariah Carey & Boyz II Men
WARNING: Spoilers. Lots. And the video was messed up when it got uploaded so I recommend watching it in it's original format on animemusicvideos.org.